/* Authors: Lutong Wang and Bangqi Xu */
/*
 * Copyright (c) 2019, The Regents of the University of California
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the University nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "db/infra/frBox.h"
#include "db/infra/frTransform.h"

using namespace std;
using namespace fr;

void frBox::transform(const frTransform &xform) {
  ll.transform(xform);
  ur.transform(xform);
  this->set(ll, ur);
}

bool frBox::overlaps(const frBox &boxIn, bool incEdges) const {
  if (incEdges) {
    return !(right() < boxIn.left()   || // left
             top()   < boxIn.bottom() || // bottom
             left()  > boxIn.right()  || // right
             bottom()> boxIn.top()        // top
             );
  } else {
    return !(right() <= boxIn.left()   || // left
             top()   <= boxIn.bottom() || // bottom
             left()  >= boxIn.right()  || // right
             bottom()>= boxIn.top()        // top
             );
  }
}

void frBox::bloat(const frCoord distance, frBox &boxOut) const {
  boxOut.set(left() - distance, bottom() - distance, right() + distance, top() + distance);
}
